Display extension options in a WebUI overlay instead of in a new tab

chrome/renderer/resources/extensions/extension_options.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 var DocumentNatives = requireNative('document_natives');
 var ExtensionOptionsEvents =
     require('extensionOptionsEvents').ExtensionOptionsEvents;
 var GuestViewInternal =
     require('binding').Binding.create('guestViewInternal').generate();
 var IdGenerator = requireNative('id_generator');
 var utils = require('utils');
 
 // Mapping of the autosize attribute names to default values
 var AUTO_SIZE_ATTRIBUTES = {
   'autosize': 'on',
-  'maxheight': 600,
-  'maxwidth': 800,
+  'maxheight': window.innerHeight,
+  'maxwidth': window.innerWidth,
   'minheight': 32,
-  'minwidth': 80
+  'minwidth': 32
 };
 
 function ExtensionOptionsInternal(extensionoptionsNode) {
   privates(extensionoptionsNode).internal = this;
   this.extensionoptionsNode = extensionoptionsNode;
   this.viewInstanceId = IdGenerator.GetNextId();
 
   // on* Event handlers.
   this.eventHandlers = {};
 
@@ skipping 234 matching lines @@
 
 var useCapture = true;
 window.addEventListener('readystatechange', function listener(event) {
   if (document.readyState == 'loading')
     return;
 
   registerBrowserPluginElement();
   registerExtensionOptionsElement();
   window.removeEventListener(event.type, listener, useCapture);
 }, useCapture);